55579254558 has 32 divisors (see below), whose sum is σ = 111413702400. Its totient is φ = 18483923520.

The previous prime is 55579254547. The next prime is 55579254569. The reversal of 55579254558 is 85545297555.

55579254558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55579254547) and next prime (55579254569).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8962743 + ... + 8968941.

It is an arithmetic number, because the mean of its divisors is an integer number (3481678200).

Almost surely, 2^55579254558 is an apocalyptic number.

55579254558 is an abundant number, since it is smaller than the sum of its proper divisors (55834447842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55579254558 is a wasteful number, since it uses less digits than its factorization.

55579254558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392.

The product of its digits is 63000000, while the sum is 60.

The spelling of 55579254558 in words is "fifty-five billion, five hundred seventy-nine million, two hundred fifty-four thousand, five hundred fifty-eight".